Director
John Gilling
DIRECTOR
Writer
Jim O'Connolly
WRITER
Frank Crisp
Stars (in credits order)
John Saxon
Dr. Jack Costain
Maurice Denham
Dr. Morley
Patricia Haines
Ann Barlow
John Carson
Major
Jack Watson
Sgt. Hawkins
Alfred Burke
Supt. Hartley
Warren Mitchell
Reg Lilburn
Stanley Meadows
Det. Tom Grant
Aubrey Morris
Thorburn
Ballard Berkeley
Commander Savage
Marianne Stone
Madge Lilburn
Geoffrey Lumsden
Colonel Davy
Barbara French
Joyce Malone
Tony Wager
Private Higgins
David Gregory
Private Jones
Douglas Livingstone
2nd R
Tom Gill
Police Commissioner's Secretary
Vincent Harding
1st R
Romo Gorrara
Lieutenant
Robert Crewdson
Medra
Robert Rietty
Medra (voice)
Jim Brady
Detective (uncredited)
Fred Davis
Hartley's Driver (uncredited)
Roy Everson
Corporal Cooper (uncredited)
Aidan Harrington
Jeep Driver (uncredited)
Walter Henry
Police Inspector at Meeting (uncredited)
George Hilsdon
Armed Policeman (uncredited)
Gerry Judge
Colin McKenzie
Policeman Raiding Medra's Office (uncredited)
Bill Risley
Lieutenant (uncredited)
John Sherlock
TV Newscaster (uncredited)
Reg Thomason
Army Driver (uncredited)
